| Used Operating Systems |
| 1 | 23557 | 35.12 | 13030 | 71.91 | +http://ahrefs.com/robot/ |
| 2 | 12284 | 18.32 | 2225 | 12.28 | Windows NT |
| 3 | 11783 | 17.57 | 128 | 0.71 | http://mj12bot.com/ |
| 4 | 6676 | 9.95 | 1 | 0.01 | +http://megaindex.com/crawler |
| 5 | 5886 | 8.78 | 461 | 2.54 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 1802 | 2.69 | 469 | 2.59 | +http://www.linkdex.com/bots/ |
| 7 | 1213 | 1.81 | 506 | 2.79 | +http://www.google.com/bot.html |
| 8 | 891 | 1.33 | 778 | 4.29 | +http://www.baidu.com/search/spider.html |
| 9 | 800 | 1.19 | 218 | 1.20 | +http://yandex.com/bots |
| 10 | 762 | 1.14 | 2 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 11 | 386 | 0.58 | 70 | 0.39 | +http://www.semrush.com/bot.html |
| 12 | 285 | 0.42 | 121 | 0.67 | +http://www.bing.com/bingbot.htm |
| 13 | 253 | 0.38 | 2 | 0.01 | Linux i686 [unknown version] |
| 14 | 159 | 0.24 | 18 | 0.10 | +http://siteexplorer.info/Backlink-Check... |
| 15 | 80 | 0.12 | 8 | 0.04 | http://www.searchmetrics.com/en/searchme... |
| 16 | 50 | 0.07 | 1 | 0.01 | X11 |
| 17 | 42 | 0.06 | 7 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 18 | 30 | 0.04 | 0 | 0.00 | Android 2.3.5 |
| 19 | 28 | 0.04 | 2 | 0.01 | +http://sur.ly/bot.html |
| 20 | 28 | 0.04 | 25 | 0.14 | +http://www.uptime.com/uptimebot |
| 21 | 10 | 0.01 | 5 | 0.03 | Windows 98 |
| 22 | 10 | 0.01 | 4 | 0.02 | +http://www.exabot.com/go/robot |
| 23 | 9 | 0.01 | 9 | 0.05 | Windows 95 |
| 24 | 9 | 0.01 | 8 | 0.04 | +info@netcraft.com |
| 25 | 5 | 0.01 | 0 | 0.00 | https://nmap.org/book/nse.html |
| 26 | 5 | 0.01 | 5 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 27 | 5 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 28 | 4 | 0.01 | 2 | 0.01 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 29 | 4 | 0.01 | 4 | 0.02 | Windows ME |
| 30 | 4 | 0.01 | 4 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 31 | 2 | 0.00 | 2 | 0.01 | Auto; Windows |
| 32 | 2 | 0.00 | 2 | 0.01 | Windows 3.1 |
| 33 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 34 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 35 | 1 | 0.00 | 1 | 0.01 | +http://www.id-search.xyz/bot.html |
| 36 | 1 | 0.00 | 1 | 0.01 | actually this is http://ismyblogworking.... |
| 37 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 38 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
